package com.example.springblog.mapper;

import com.example.springblog.model.BlogInfo;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface BlogInfoMapper {
    //查询所有博客
    @Select("select id, title, content, user_id, update_time from blog where delete_flag = 0 order by id desc")
    List<BlogInfo> selectAll();

    //根据博客ID查询博客信息
    @Select("select id, title, content, user_id, update_time from blog where id = #{id} and delete_flag = 0")
    BlogInfo selectById(int id);

    //插入博客
    @Insert("insert into blog (title, content, user_id) values (#{title}, #{content}, #{userId})")
    Integer insertBlog(BlogInfo blogInfo);

    //跟新博客
    Integer updateBlog(BlogInfo blogInfo);
}
